.protocol-container {
    width: 100%;
    /* margin-top: 6vh; */
    /* padding-top: 1px; */
    /* background-color: #fff1dc; */
  }
  .protocol-title{
    color: #BF8D4E;
  }
  /* .protocol-title {
    position: relative;
    height: 6vh;
    background: linear-gradient(
      135deg,
      #bf8d4e 0%,
      #dca854 50%,
      #af700b 100%
    );
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  
    font-size: 3vh;
    line-height: 6vh;
    margin-top: 2vh;
    margin-bottom: 1vh;
    border-radius: 10px;
    width: 33%;
    text-indent: 17%;
    font-family: "Playball", Arial, sans-serif;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
  }
  
  .protocol-title {
    position: relative;
    height: 6vh;
    background: linear-gradient(
      135deg,
      #bf8d4e 0%,
      #dca854 50%,
      #af700b 100%
    );
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  
    font-size: 3vh;
    line-height: 6vh;
    margin-top: 2vh;
    margin-bottom: 1vh;
    border-radius: 10px;
    width: 33%;
    text-indent: 17%;
    font-family: "Playball", Arial, sans-serif;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
  }
  .protocol-title::before {
    content: "";
    position: absolute;
    width: 10%;
    left: 6%;
    top: 10%;
    height: 80%;
    background-size: 100% 100%;
  } */
  .protocol-box {
    width: 100%;
    /* margin: 0 auto; */
    /* background-color: #fff1dc; */
    padding: 20px 0;
    border-radius: 10px;
  }
  .protocol-btn-container {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 1vh;
    gap: 0.5vw;
  }
  
  /* 当容器只有两个按钮时的特殊样式 */
  .protocol-btn-container:has(.protocol-btn:nth-child(2):last-child) {
    justify-content: flex-start;
    gap: 0.5vw;
  }
  
  .protocol-btn-container:has(.protocol-btn:nth-child(2):last-child) .protocol-btn {
    flex: 0 0 calc(32.7% + 0.25vw);
    max-width: calc(32.7% + 0.25vw);
  }
  .protocol-btn-container :last-child {
    margin-right: 0;
  }

  .protocol-btn-container:has(.protocol-btn:nth-child(1):last-child) .protocol-btn {
    flex: 0 0 calc(32.7% + 0.25vw);
    max-width: calc(32.7% + 0.25vw);
  }
  .protocol-btn-container :last-child {
    margin-right: 0;
  }
  .protocol-btn {
    z-index: 4;
    flex-shrink: 1;
    flex-grow: 1;
    position: relative;
    width: 30%;
    text-align: left;
    border-radius: 10px;
    border: 2px solid #bf8d4e;
    color: #af700b;
    text-indent: 1vw;
    font-size: 1.5vh;
    line-height: 5vh;
    width: 32%;
    background: linear-gradient(135deg, #fff 0%, #fff9f5 100%);
    font-family: Arial, sans-serif !important;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }
  
  .protocol-btn:hover {
    background: linear-gradient(135deg, #bf8d4e 0%, #dca854 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  }
  
  .protocol-btn:hover::after {
    color: white;
  }
  .btn-rotate-1::after {
    background-image: none !important;
    content: "▼" !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: white !important;
    font-size: 1.2em !important;
    font-weight: bold !important;
    transition: transform 0.5s ease;
    transform: rotate(180deg);
  }
  .btn-rotate-1{
    background: linear-gradient(135deg, #bf8d4e 0%, #dca854 100%) !important;
    color: white !important;
    border-color: #af700b !important;
  }
  .btn-rotate-2::after {
    transition: all 0.5s ease;
    transform: rotate(0deg);
  }
  .protocol-btn::after {
    content: "▶";
    position: absolute;
    width: 10%;
    left: 88%;
    top: 10%;
    height: 80%;
    background-size: 100% 100%;
    background-image: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #af700b;
    font-size: 1em;
    font-weight: bold;
    transition: all 0.3s ease;
  }
  
  .protocol-container > :nth-child(1) .protocol-btn::after {
    /* content: "⚗️"; */
    content: "🔬";
    background-image: none;
  }
  .protocol-container > :nth-child(2) .protocol-btn::after {
    content: "🧬";
    background-image: none;
  }
  .protocol-container > :nth-child(3) .protocol-btn::after {
    content: "🧪";
    background-image: none;
  }
  
  .protocol-container > :nth-child(1) .protocol-title::before {
    /* content: "⚗️"; */
    content: "🔬";
    background-image: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  }
  .protocol-container > :nth-child(2) .protocol-title::before {
    content: "🧬";
    background-image: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  }
  .protocol-container > :nth-child(3) .protocol-title::before {
    content: "🧪";
    background-image: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  }
  
  .protocol-container > :nth-child(2) .protocol-btn {
    border: 2px solid #c38d45;
    color: #b8761a;
  }
  .protocol-container > :nth-child(3) .protocol-btn {
    border: 2px solid #d49c56;
    color: #a86e12;
  }
  
  .protocol-container > :nth-child(2) .protocol-btn:hover {
    background: linear-gradient(135deg, #c38d45 0%, #e5ad6b 100%);
    color: white;
  }
  
  .protocol-container > :nth-child(3) .protocol-btn:hover {
    background: linear-gradient(135deg, #d49c56 0%, #f0b574 100%);
    color: white;
  }
  
  .protocol-container > :nth-child(2) .btn-rotate-1{
    background: linear-gradient(135deg, #c38d45 0%, #e5ad6b 100%) !important;
    color: white !important;
    border-color: #b8761a !important;
  }
  .protocol-container > :nth-child(3) .btn-rotate-1{
    background: linear-gradient(135deg, #d49c56 0%, #f0b574 100%) !important;
    color: white !important;
    border-color: #a86e12 !important;
  }
  
  .protocol-text {
    z-index: 3;
    display: none;
    background: linear-gradient(135deg, #fff 0%, #fff9f5 100%);
    padding: 4vh;
    border-radius: 10px;
    border: 1px solid #dca854;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 2vh 0;
    animation: fadeInUp 0.5s ease-out;
  }
  .protocol-text-container {
    position: relative;
  }
  .protocol-text-title-1 {
    width: 100%;
    text-align: center;
    font-size: 28px;
    font-family: Arial, sans-serif !important;
    color: #bf8d4e;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
  }
  .protocol-text-title-2 {
    width: 100%;
    text-align: left;
    font-size: 22px;
    font-family: Arial, sans-serif !important;
    color: #af700b;
    margin: 20px 0 15px 0;
    border-bottom: 2px solid #dca854;
    padding-bottom: 5px;
  }
  .protocol-text-title-3 {
    width: 100%;
    text-align: left;
    font-size: 18px;
    font-family: Arial, sans-serif !important;
    font-weight: 600;
    color: #333;
    margin-top: 20px;
    margin-bottom: 10px;
  }
  .protocol-text > * {
    margin: 0 auto;
  }
  .protocol-content {
    color: #333;
    min-height: 3vh;
    line-height: 1.6;
    font-size: 16px;
    padding-left: 2vw;
    font-family: Arial, sans-serif !important;
  }
  
     @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(20px);
     }
     to {
         opacity: 1;
         transform: translateY(0);
     }
   }

   /* 两个按钮容器的兼容性回退方案 */
   @supports not (selector(:has(*))) {
     .protocol-btn-container .protocol-btn:nth-child(2):last-child {
       margin-right: calc(33% + 0.5vw);
     }
   }

   /* 响应式设计 */
   @media (max-width: 768px) {
     /* .protocol-container {
       padding: 0 15px;
     } */
     
     .protocol-title {
       width: 90%;
       font-size: 2.5vh;
       text-indent: 5%;
     }
     
     .protocol-box {
       width: 95%;
       padding: 15px;
     }
     
     .protocol-btn-container {
       flex-direction: column;
       gap: 1vh;
     }
     
     /* 移动端两个按钮的特殊处理 */
     .protocol-btn-container:has(.protocol-btn:nth-child(2):last-child) {
       flex-direction: column;
       gap: 1vh;
     }
     
     .protocol-btn {
       width: 100%;
       font-size: 1.8vh;
       margin-right: 0;
     }
     
     .protocol-text {
       padding: 2vh;
     }
     
     .protocol-text-title-1 {
       font-size: 24px;
     }
     
     .protocol-text-title-2 {
       font-size: 20px;
     }
     
     .protocol-content {
       font-size: 14px;
       padding-left: 1vw;
     }
   }
   
   @media (max-width: 480px) {
     .protocol-title {
       font-size: 2vh;
       height: 5vh;
       line-height: 5vh;
     }
     
     .protocol-text-title-1 {
       font-size: 20px;
     }
     
     .protocol-text-title-2 {
       font-size: 18px;
     }
     
     .protocol-content {
       font-size: 13px;
     }
   }
   
   /* 额外的视觉增强 */
   .protocol-btn:active {
     transform: translateY(0);
     box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
   }
   
   .protocol-text::-webkit-scrollbar {
     width: 8px;
   }
   
   .protocol-text::-webkit-scrollbar-track {
     background: #f1f1f1;
     border-radius: 10px;
   }
   
   .protocol-text::-webkit-scrollbar-thumb {
     background: linear-gradient(135deg, #bf8d4e, #dca854);
     border-radius: 10px;
   }
   
   .protocol-text::-webkit-scrollbar-thumb:hover {
     background: linear-gradient(135deg, #af700b, #bf8d4e);
   }
   
   /* 图标增强效果 */
   .protocol-btn::after,
   .protocol-title::before {
     user-select: none;
     pointer-events: none;
   }
   
   /* 确保按钮在不同状态下图标颜色正确 */
   .protocol-container > :nth-child(2) .protocol-btn:hover::after,
   .protocol-container > :nth-child(3) .protocol-btn:hover::after {
     color: white;
   }
   
   /* 激活状态的按钮图标颜色 */
   .btn-rotate-1::after {
     color: white !important;
   }
   
   /* 为标题图标添加动画效果 */
   .protocol-title::before {
     transition: transform 0.3s ease;
   }
/*    
   .protocol-title:hover::before {
     transform: scale(1.1);
   } */